由于过度捕猎、栖息地破坏和破碎化、污染和其他非自然的人为原因，无数物种已经消失。
Countless species have disappeared due to over-hunting, habitat destruction and habitat fragmentation, pollution and other unnatural human causes.
所以我们会把它们放到动物园中保护它们不受偷猎者以及栖息地破坏的侵害。
So we keep putting them into zoos to protect them from poachers, as well as from habitat destruction.
在野外，这些猴子见于中南美洲，但因栖息地破坏、捕猎和活捉作宠物，已经濒危。
In the wild, these monkeys are found in Central and South America, but are threatened due to habitat destruction, hunting and live capture for pets.
在人类的压力下，黑猩猩们面临了人口下降，栖息地破坏，还有某些地方的灭绝。
Under pressure from humans, the chimpanzee has suffered population decline, habitat fragmentation, and in some places local extinction.
种群的致危因素主要是栖息地破坏、人为捕杀、环境污染、自然灾害、繁殖力低等；
The reproduction potentials of these populations are very low due to improper age structures.
近年来，由于人类活动的影响、栖息地破坏、丧失和片段化，白颈长尾雉的数量日益减少。
Its population size is believed to be declining because of the impact of human and the loss, fragmentation, degradation of habitats during recent years.
但与此同时科学家们还认为，由人类自身活动所造成的对于人类栖息地破坏的危险性在不断增加。
But the scientists also said destruction of human habitats wreaked by climate change brought on by human activities is a growing danger.
世界上植物遗传物质的四分之三已经灭绝，大部分是因为栖息地破坏，粮农组织的帕斯夸莱说，而且每天有更多的正在消失。
Three-quarters of all the world's plant genetic material may have gone already, mostly by habitat destruction, says Pasquale Steduto of the FAO, and more is going every day.
因栖息地正受到破坏这一物种已濒于灭绝。
This species has nearly died out because its habitat is being destroyed.
有证据表明，人类的捕猎和栖息地的破坏可能是导致当前物种大量灭绝的原因。
Evidence points to hunting by humans and habitat destruction as the likely causes for the current mass extinction.
即使是一个生态效率高得多的工业系统，如果它发展得更大，也会比更小、更不生态效率的经济产生更多的垃圾，破坏更多的栖息地和物种。
Even a vastly more ecoefficient industrial system could, were it to grow much larger, generate more total waste and destroy more habitat and species than would a smaller, less ecoefficient economy.
这些因素可能通过栖息地的破坏而消失，而当我们观察那些没有了这些因素的栖息地，可以看到栖息地选择的重要性。
We saw how important habitat selection is when we look at habitats where some of these factors are removed, perhaps through habitat destruction.
人们正在破坏它们的自然栖息地。
还有所谓的机会成本：什么东西能够治愈疾病，还有其他有用的新发现，也许我们永远不会知道，因为栖息地被永远破坏，或土地被污染而没法使用。
There are also the opportunity costs: what cures for disease, what other useful discoveries might we never know of, because a habitat is destroyed forever, or land is polluted beyond all use?
布劳斯汀强调，虽然壶菌和其他疾病可以在蛙类中自然传播，但人类对其栖息地的破坏也应受到谴责。
Although the chytrid fungus and other diseases can spread naturally among frogs, Blaustein noted that human destruction of their habitat is also to blame.
但是最重要的是：假如破坏栖息地和偷猎的行为继续下去，把这些老虎放归野外是没有意义的。
But most importantly: it is pointless to release these tigers in the wild if we keep destroying their habitat and poaching them.
许多物种，比如灰狼和棕熊，在遭受了数量急剧下降和自然栖息地的破坏殆尽之后，它们的活动范围小得可怜。
Many species, such as the grey Wolf and brown bear, have experienced substantial population declines and seen their ranges contract as their natural habitats have been destroyed.
但是事情依然在恶化。栖息地还在遭到破坏，持续增加的富人们正在不断掠夺野生动物的生存空间和资源。
Yet things are still getting worse — habitats are still being destroyed, and a growing, richer population is taking space and resources away from wildlife.
飓风除了重创包括城市和住宅区的人类居住地外，还横扫候鸟栖息地，并在沿途造成破坏。
In addition to their battering of human habitats-cities and residential neighborhoods-hurricanes cut a destructive swath through migratory bird habitat.
如果我们不破坏它们的栖息地，他们会以几千年以来一样的方式活下去。
If we don't destroy their habitat they will just chunter along in the same way that they have for the thousands of years.
这种蛾子因栖息地正受到破坏，几乎绝种了。
The moth's habitat is being destroyed and it has nearly died out.
他成功阻止了对云南原始森林的砍伐，由此也阻止了对金丝猴栖息地的破坏。
He managed to stop the cutting of virgin forest (and the destruction of golden monkey habitat) in Yunnan province.
相反，栖息地的破坏继续有增无减，一些专家警告说，地球现正面临其第六次大灭绝阶段-自6500万年前恐龙消失最新的一次。
Instead, habitat destruction has continued unabated, and some experts now warn that the planet faces its sixth mass extinction phase — the latest since dinosaurs vanished 65 million years ago.
不只是突入其来的暴雨使它们显得很无助，因为对它们的雨林栖息地无情的破坏已经威胁到整个物种的生存。
The relentless destruction of their tropical-forest habitat has endangered their entire species.
塞文河口是鸟类的栖息地，而大型水坝会在很大程度上破坏或毁坏河口，这同样也会破坏河流中鱼群的生态环境。
The Severn estuary is an important habitat for birds; large barrages would destroy or damage much of it, as well as interfere with fish stocks in the river.
塞文河口是鸟类的栖息地，而大型水坝会在很大程度上破坏或毁坏河口，这同样也会破坏河流中鱼群的生态环境。
The Severn estuary is an important habitat for birds; large barrages would destroy or damage much of it, as well as interfere with fish stocks in the river.
应用推荐